Bronchial asthma
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Adults (age between 18 and 80). 2) Asthma under control during the last 3 months. (Juniper Asthma Questionnaire < 1 point). 3) Treated with a combination of ICS and long-acting beta-agonist (LABA) or ICS alone. 4) Written informed consent.
Exclusion criteria
Exclusion criteria: 1) Patients with uncontrolled co-morbid diseases such as cardio-vascular disease, cerebral disease, renal disease, endocrine disease and gastrointestinal disease. 2) Pregnancy and woman who is lactating or if of childbearing potential. 3) Treatment with oral corticosteroids or immunosuppressant therapy. 4) Patients with seasonal exacerbations and predicted worsen of symptoms within one year. 5) Unsuitable for the study in the judgment of their attending physician.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Severe exacerbation: requiring oral steroids, emergency visits or hospitalization [Time Frame: 12 months]. | — |
Secondary
| Measure | Time frame |
|---|---|
| Intermittent withdrawal of step-down judged by their attending physician according to worsen symptoms [Time Frame: 12 months]. | — |
Countries
Japan
Contacts
Tottori University Faculty of Medicine Department of Third Internal Medicine, Respiration/Collagen and Vascular Disease